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sattari [20]
3 years ago
7

Evaluate the expression

Mathematics
2 answers:
Mariulka [41]3 years ago
8 0
9.8?

Have A Lovely Day! SECRET TUNEL THROUGH THE MOUNTAIN
Dafna11 [192]3 years ago
5 0

Answer:

9.8

Step-by-step explanation:

-9.5 - -12 plus 7.3 = 9.8

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The perimeter of a rectangle is 20 inches.The length is 2 inches less than twice the width.
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Answer:

width = 6

length = 4

Step-by-step explanation:

perimeter = 2L + 2W

L = W - 2

plug in perimeter:

20 = 2L + 2W

you know the length is 2 less than the width

plug in (w - 2) for L:

20 = 2(w - 2) + 2w

solve for w:

20 = 2w - 4 + 2w

20 = 4w - 4

4w = 24

w = 6

now plug in 6 for w in either equation, whichever is easier to solve:

L = 6 - 2

L = 4

width = 6

length = 4

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3 years ago
PLEASE HELP ME I DO'T UNDERSTAND DIS MATh
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60%

Step-by-step explanation:

A percent is technically just a fraction over 100.

To get that here, we simply divide the part (which is 1560 people) by the whole (which is 2600 people) and then multiply that by 100:

(1560 / 2600) * 100 = 0.6 * 100 = 60/100

Thus, we know that the percent is 60%.

3 0
2 years ago
I will give you a Brainly crown if it is right. Will you help me
Lostsunrise [7]

Answer:

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since he owes her its negative, so it is -12

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